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Point selection one in two


nemsi

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Hi guys,

I can't get solution although it seems easy.. :) I would like to select point one on two but even with '(@ptnum+0)%2==0' (for odd id) or 'grouperange' sop I can't get the result i want.. (picture)

Can someone show me the way?

Thank you

Nems.

Sans-titre-1.jpg

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Hi,

a bit experimental approach is using an integer point attribute (which initialized with 0 for one point) to grow over the whole geometry. Each time the selections growths the attribute increases by one. This will have the effect, that the neighbours of point 0 will have value 1 and their neighbours value 2 and so on. Using this attribute modulo 2 should give you the desired result. But this approach is a bit time consuming.

 

point_selection.hipnc

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